24 



AMMONIATED SUPERPHOSPHATES. 



The average of 159 brands of ammoniated superphosphates analyzed during 



the season gives the following results: 



Total nitrogen, 



Nitrogen as nitrates and ammoniates, 



Soluble organic nitrogen, 



Active water insoluble organic nitrogen, 



Inactive water insoluble organic nitrogen 



Total phosphoric acid, 



Soluble phosphoric acid. 



Reverted phosphoric acid, . 



Available phosphoric acid. 



Insoluble phosphoric acid, . 



Average selling price per ton, 

 Average commercial valuation. 



Per Cent. 



3.50 



1.56 



.71 



.70 



.53 



11.81 



6.35 



4.03 



10.38 



1.43 



$60 46 

 45 55 



The following table has been prepared and gives a summary of the results 

 of analyses of ammoniated superphosphates put out by each manufacturer 

 as compared with their minimum guarantee: — 



Manuf.^cturer. 



_ o 

 ISO 



o S) d 

 -I- 



■^ is 3 



ECO u 



'> <u 



> ID O 



^^ = B 



o S 2 



PS. 3 



2 ^ 



- o 



fees 



E-§ 



° s 



s o 



Ho 



* c » 



_§Sg 



5tqO 



W. H. Abbott 



American .Agricultural Chemical Co., 



.Armour Fertilizer Works, 



Baugh & Sons Co., .... 



Beach Soap Co 



Berkshire Fertilizer Co., 



Bowker Fertilizer Co., .... 



The E. D. Chittenden Co., . 



The Coe-Mortimer Co., 



John C. Dow Co. 



Essex Fertilizer Co., .... 



The L. T. F risbie Co., 



John Glennie, ..... 



Thomas Hersom & Co., 



k. W. Higgins, ..... 



International Agricultural Corp., 



Listers Agricultural Chemical Co., 



Lowell Fertilizer Co., .... 



Mapes Formula & Peruvian Guano Co. 



James E. McGovern, .... 



National Fertilizer Co., 



New England Fertilizer Co., 



Olds & Whipple, . . . 



Parmenter & Polsey Fertilizer Co., 



Rogers & Hubbard Co 



F. S. Royster Guano Co., . 

 Sanderson Fertilizer & Chemical Co., 

 Springfield Rendering Co., . 

 20th Century Specialty Co., 

 What Cheer Chemical Co., . 

 Whitman & Pratt Rendering Co., 

 Wilcox Fertilizer Co., .... 

 Worcester Rendering Co., 



